2 papers
astro-ph.CO2025
Forecasts for Broadband Intensity Mapping of the Ultraviolet-Optical Background with CASTOR and SPHEREx
Bryan Scott, Phoebe Upton Sanderbeck, Simeon Bird
Broadband tomography statistically extracts the redshift distribution of frequency dependent emission from the cross correlation of intensity maps with a reference catalog of galax…
hep-ph2024
Enhanced Early Galaxy Formation in JWST from Axion Dark Matter?
Simeon Bird, Chia-Feng Chang, Yanou Cui +1
We demonstrate that enhanced early galaxy formation can generically arise in axion-like particle (ALP) dark matter (DM) models with a delayed onset of axion field oscillation. In t…